In an experimental design, the variable the
researcher has control over and that is different for the treatment and control
groups is called the explanatory variable.
The explanatory variable can be controlled and
manipulated by the experimenter.
The correct answer between all
the choices given is the last choice or letter E. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
<span> </span>
D both a and c sounds correct
It's the formation of new and distinct species in the course of evolution
Yes he was he was a victim on cannibalism
